Tetra Tech announced a broadened partnership with American Rare Earths on November 20, 2025, extending its role from a technical consultant to a strategic advisor for securing U.S. government funding for the company’s flagship Halleck Creek rare‑earth project in Wyoming.
The partnership builds on Tetra Tech’s engineering and mineral‑processing work at the site, which began in 2023, and positions the firm to guide American Rare Earths through Department of Energy and Department of Defense grant programs that could unlock substantial public investment for the project’s development and construction phases.
The Halleck Creek project is viewed as a key source of light and heavy rare earths for national‑security and defense applications, and American Rare Earths sees it as a way to diversify the U.S. upstream supply chain. Tetra Tech’s expertise in navigating federal funding mechanisms aligns with the U.S. government’s recent initiatives to build domestic critical‑minerals supply chains, including nearly $1 billion in DOE programs to support mining, processing, and manufacturing of critical minerals.
By expanding its advisory role, Tetra Tech aims to generate new consulting revenue and strengthen its reputation as a go‑to partner for government‑funded infrastructure projects. The move dovetails with the company’s strategic focus on high‑margin consulting and digital‑automation services in the water and environmental sectors, reinforcing its broader growth and capital‑allocation strategy.
While specific funding programs and financial projections for the partnership were not disclosed, the partnership’s potential to secure federal grants signals a significant tailwind for both companies, underscoring the growing importance of critical‑minerals projects in the U.S. national‑security agenda.
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